-er -ic c-- ccc ccd cce cci ccm cco ccp ccr cdc cdd cde cdi cdm cdo cdp cdr ce- cec ced cee cei cem ceo cep cer ci- cic cid cie cii cim cio cip cir cmc cmd cme cmi cmm cmo cmp cmr co- coc cod coe coi com coo cop cor cpc cpd cpe cpi cpm cpo cpp cpr crc crd cre cri crm cro crp crr dcc dcd dce dci dcm dco dcp dcr ddc ddd dde ddi ddm ddo ddp ddr de- dec ded dee dei dem deo dep der di- dic did die dii dim dio dip dir dmc dmd dme dmi dmm dmo dmp dmr doc dod doe doi dom doo dop dor dpc dpd dpe dpi dpm dpo dpp dpr drc drd dre dri drm dro drp drr ec- ecc ecd ece eci ecm eco ecr ed- edc edd ede edi edm edo edp edr eec eed eee eem eeo eep eer eic eid eie eii eim eio eip eir em- emc emd eme emi emm emo emp emr eo- eoc eod eoe eoi eom eoo eop eor ep- epc epd epe epi epm epo epp epr erc erd ere eri erm ero erp err i-d icc icd ice ici icm ico icp icr idc idd ide idi idm ido idp idr ie- iec ied iee iei iem iep ier iic iid iie iii iim iio iip iir im- imc imd ime imi imm imo imp io- ioc iod ioe ioi iom ioo iop ior ipc ipd ipe ipi ipm ipo ipp ipr ir- irc ird ire iri irm iro irp irr m-o m-r mc- mcc mcd mce mci mcm mco mcp mcr mdc mdd mde mdi mdm mdo mdp mdr mec med mee mei mem meo mep mer mi- mic mid mie mii mim mio mip mir mmc mmd mme mmi mmm mmo mmp mmr moc mod moe moi mom moo mop mor mpc mpd mpe mpi mpm mpo mpp mpr mrc mrd mre mri mrm mro mrp mrr o-i oc- occ ocd oci ocm oco ocp ocr odc odd ode odi odm odo odp odr oec oed oee oei oem oeo oep oer oic oid oie oii oim oio oip oir om- omc omd ome omi omm omo omp omr oo- ooc ood ooi oom ooo oop oor op- opc opd ope opi opm opo opp opr or- orc ord ore ori orm oro orp orr p-p pcc pcd pce pci pcm pco pcp pcr pdc pdd pde pdi pdm pdo pdp pdr pec ped pee pei pem peo pep per pic pid pie pii pim pio pip pir pmc pmd pme pmi pmm pmo pmp pmr poc pod poe poi pom poo pop por ppc ppd ppe ppi ppm ppo ppp ppr prc prd pre pri prm pro prp prr rcc rcd rce rci rcm rco rcp rcr rdc rdd rde rdi rdm rdo rdp rdr re- rec red ree rei rem reo rep rer ric rid rie rii rim rio rip rir rmc rmd rme rmi rmm rmo rmp rmr roc rod roe roi rom roo rop ror rpc rpd rpe rpi rpm rpo rpp rpr rrc rrd rri rrm rrp rrr